Home / 210,421,917,110.24-315,632,869,565.66-97,068,105,384.32

Finding the Fourth Proportional to 210,421,917,110.24, 315,632,869,565.66 and 97,068,105,384.32

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Solution

The fourth proportional to 210,421,917,110.24, 315,632,869,565.66 and 97,068,105,384.32 is: 145,602,155,262.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,421,917,110.24 : 315,632,869,565.66 = 97,068,105,384.32 : x
  2. Step 2: Convert to fraction form
    210,421,917,110.24/315,632,869,565.66 = 97,068,105,384.32/x
  3. Step 3: Cross multiply
    210,421,917,110.24x = 315,632,869,565.66 × 97,068,105,384.32
  4. Step 4: Simplify right side
    210,421,917,110.24x = 30,637,884,645,754,812,760,064
  5. Step 5: Solve for x
    x = 30,637,884,645,754,812,760,064/210,421,917,110.24
  6. Step 6: Final answer
    x = 145,602,155,262.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.