Home / 216,646,307.24-298,971,904.02-123,828,808.02

Finding the Fourth Proportional to 216,646,307.24, 298,971,904.02 and 123,828,808.02

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Solution

The fourth proportional to 216,646,307.24, 298,971,904.02 and 123,828,808.02 is: 170,883,755.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,646,307.24 : 298,971,904.02 = 123,828,808.02 : x
  2. Step 2: Convert to fraction form
    216,646,307.24/298,971,904.02 = 123,828,808.02/x
  3. Step 3: Cross multiply
    216,646,307.24x = 298,971,904.02 × 123,828,808.02
  4. Step 4: Simplify right side
    216,646,307.24x = 37,021,334,506,266,440
  5. Step 5: Solve for x
    x = 37,021,334,506,266,440/216,646,307.24
  6. Step 6: Final answer
    x = 170,883,755.08

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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.