Home / 142,535,545.19-213,884,197.59-76,955,809.62

Finding the Fourth Proportional to 142,535,545.19, 213,884,197.59 and 76,955,809.62

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Solution

The fourth proportional to 142,535,545.19, 213,884,197.59 and 76,955,809.62 is: 115,477,381.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,535,545.19 : 213,884,197.59 = 76,955,809.62 : x
  2. Step 2: Convert to fraction form
    142,535,545.19/213,884,197.59 = 76,955,809.62/x
  3. Step 3: Cross multiply
    142,535,545.19x = 213,884,197.59 × 76,955,809.62
  4. Step 4: Simplify right side
    142,535,545.19x = 16,459,631,590,077,726
  5. Step 5: Solve for x
    x = 16,459,631,590,077,726/142,535,545.19
  6. Step 6: Final answer
    x = 115,477,381.93

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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.