Home / 220,779,412.76-304,677,632.91-121,663,707.23

Finding the Fourth Proportional to 220,779,412.76, 304,677,632.91 and 121,663,707.23

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Solution

The fourth proportional to 220,779,412.76, 304,677,632.91 and 121,663,707.23 is: 167,897,041.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,779,412.76 : 304,677,632.91 = 121,663,707.23 : x
  2. Step 2: Convert to fraction form
    220,779,412.76/304,677,632.91 = 121,663,707.23/x
  3. Step 3: Cross multiply
    220,779,412.76x = 304,677,632.91 × 121,663,707.23
  4. Step 4: Simplify right side
    220,779,412.76x = 37,068,210,328,712,328
  5. Step 5: Solve for x
    x = 37,068,210,328,712,328/220,779,412.76
  6. Step 6: Final answer
    x = 167,897,041.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.